Fig. 1.

(A) Survivorship of immobilized yeast, anaerobic planktonic (freely suspended) yeast, and aerobic planktonic yeast over 17 d culture. Survivorship was estimated as the ratio of CFUs on rich solid medium relative to total cell number estimated by hemocytometry. Each experiment was repeated twice; error bars represent 1 SD from the mean value. (B) Glycogen content of immobilized and planktonic yeast (milligram of glucose equivalents per gram of dry weight biomass). Each experiment was repeated twice; error bars represent 1 SD (closed circle, immobilized, anaerobic; open triangle, planktonic, aerobic; closed triangle, planktonic, anaerobic).